/*
 * Copyright (C) 2015 - 2020, IBEROXARXA SERVICIOS INTEGRALES, S.L.
 * Copyright (C) 2015 - 2019, Thomas E. Horner (whitecatboard.org@horner.it)
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *     * The WHITECAT logotype cannot be changed, you can remove it, but you
 *       cannot change it in any way. The WHITECAT logotype is:
 *
 *          /\       /\
 *         /  \_____/  \
 *        /_____________\
 *        W H I T E C A T
 *
 *     * Redistributions in binary form must retain all copyright notices printed
 *       to any local or remote output device. This include any reference to
 *       Lua RTOS, whitecatboard.org, Lua, and other copyright notices that may
 *       appear in the future.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "sdkconfig.h"
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"

#include "arduino.h"
#include <freertos/task.h>
#include <sys/driver.h>
#include <drivers/gpio.h>
#include "driver/timer.h"
#include <sys/stat.h>
#include <sys/status.h>
#include <sys/delay.h>
#include "sys.h"
#include <sys/sleep.h>
#include <sys/syslog.h>

void pinMode(uint8_t pin, uint8_t mode) {
    driver_error_t *error;
    if (INPUT == mode) {
      if ((error = gpio_pin_input(pin))) {
          syslog(LOG_ERR, "ERROR ON gpio_pin_input\n");
          free(error);
      }
    }
    else {
      if ((error = gpio_pin_output(pin))) {
          syslog(LOG_ERR, "ERROR ON gpio_pin_output\n");
          free(error);
      }
    }
}

void digitalWrite(uint8_t pin, uint8_t value) {
    driver_error_t *error;
    if (HIGH == value) {
      if ((error = gpio_pin_set(pin))) {
          syslog(LOG_ERR, "ERROR ON gpio_pin_set\n");
          free(error);
      }
    }
    else {
      if ((error = gpio_pin_clr(pin))) {
          syslog(LOG_ERR, "ERROR ON gpio_pin_clr\n");
          free(error);
      }
    }
}

uint8_t digitalRead(uint8_t pin) {
    uint8_t value;
    driver_error_t *error;
    if ((error = gpio_pin_get(pin, &value))) {
        syslog(LOG_ERR, "ERROR ON gpio_pin_get\n");
        free(error);
    }
    return value;
}

unsigned long IRAM_ATTR micros()
{
    return (unsigned long) esp_timer_get_time();
}

void IRAM_ATTR delayMicroseconds(uint32_t us)
{
    usleep(us);
}

